Add 20/12 and 30/25
1st number: 1 8/12, 2nd number: 1 5/25
20/12 + 30/25 is 43/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 25 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
20/12 = 20 × 25/12 × 25 = 500/300 - Likewise, for the 2nd fraction, since 25 × 12 = 300,
30/25 = 30 × 12/25 × 12 = 360/300 - Add the two like fractions:
500/300 + 360/300 = 500 + 360/300 = 860/300 - 860/300 simplified gives 43/15
- So, 20/12 + 30/25 = 43/15
In mixed form: 213/15
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